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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
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Nominal Mass:
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-H+
+H+
+2H+
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Average Mass:
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±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Monoisotopic Mass:
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±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
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Found 270 results
Search term:
MF = 'C_{4}H_{7}N_{3}O_{2}'
1
2
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
62687
zoom
C
4
H
7
N
3
O
2
129.1173
90
82
0
39
9052415
zoom
C
4
H
7
N
3
O
2
129.1173
78
55
0
0
11526550
zoom
C
4
H
7
N
3
O
2
129.1173
47
32
0
0
9979448
zoom
C
4
H
7
N
3
O
2
129.1173
45
37
0
0
25070717
zoom
C
4
H
7
N
3
O
2
129.1173
41
36
0
0
2283059
zoom
C
4
H
7
N
3
O
2
129.11728
33
40
0
0
30804241
zoom
C
4
H
7
N
3
O
2
129.1173
31
27
0
0
1215150
zoom
C
4
H
7
N
3
O
2
129.1173
25
30
0
0
2496319
zoom
C
4
H
7
N
3
O
2
129.1173
22
13
0
0
76884
zoom
C
4
H
7
N
3
O
2
129.1173
21
19
0
1
110707
- 0/1 defined
zoom
C
4
H
7
N
3
O
2
129.1173
21
32
0
0
19970036
- 0/1 defined
zoom
C
4
H
7
N
3
O
2
129.1173
20
17
0
2
10409393
zoom
C
4
H
7
N
3
O
2
129.1173
19
14
0
0
9369415
zoom
C
4
H
7
N
3
O
2
129.1173
19
13
0
0
10421392
zoom
C
4
H
7
N
3
O
2
129.1173
18
18
0
0
230151
zoom
C
4
H
7
N
3
O
2
129.1173
18
17
0
0
383524
- 0/1 defined
zoom
C
4
H
7
N
3
O
2
129.1173
18
18
0
0
86683
zoom
C
4
H
7
N
3
O
2
129.1173
18
17
0
0
87103
zoom
C
4
H
7
N
3
O
2
129.1173
17
16
0
0
141398
zoom
C
4
H
7
N
3
O
2
129.1173
17
16
0
0
1
2
3
4
5
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